CLASS XIX. ORDER I. 299 



dots. Flowers axillary and terminal, small, yellow, on short 

 pedicels. Capsules of a brownish color, twice as long as the 

 calyx. — July, August. — Annual. 



Hypericum parviflorum. L. Small Jlowered St. John's 



Wort. 



Flowers with three styles; stem four sided, erect, 

 branching, glabrous ; leaves ovate-oblong, obtuse, 

 subcordate, sessile ; panicles dichotomously corym- 

 bose ; petals shorter than the calyx. 



Grows in the same situations with the last, and is somewhat 

 shorter with larger leaves. Flowers small, yellow. — Cambridge- 

 port. — July, August. — Annual ? 



§ Subgenus Elodea. Petals icith nectariferous claws. Glands 

 between the divided stamens. 



Hypericum Virginicum. L. Virginian St. John's Wort. 

 Flowers with three styles, enneandrous, terminal ; 

 leaves elliptical, obtuse, somewhat heart shaped, clasp- 

 ing; stem herbaceous, compressed. Willd. 



This plant has much larger leaves than the preceding spe- 

 cies. They are opposite, oblong, smooth, entire, heart shaped 

 at base, closely sessile or clasping, very obtuse, paler on the 

 under side. Flowers in terminal bunches, their color partak- 

 ing of a mixture of yellow and purple. Stamens nine united in 

 three parcels. — In low ground. — August. — Perennial. 



Class XIX. SYNGENESIA. Anthers united 



into a cylinder ; flowers compound. 



Order I. JE QUA LIS. All the florets with 

 stamens and pistils, and all fertile. 



A. Semijloscular, all thejlorcts ligulafe. 



322. CicHORiuM. Receptacle chaffy; calyx in- 

 vested with scales ; seeds surrounded with numerous 

 short teeth. 



